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The gradualism model assumes that change happens slowly and continuously over time, that small changes accumulate to produce larger changes, and that there is no clear distinction between different species or stages of evolution.
This is the gradualism model.
Species evolve gradually.
The model known as gradualism.
astronomy
Gradualism
The gradualism model of evolution states that change occurs gradually over time. On the other hand, the punctuated equilibrium model states that change occurs suddenly or rapidly.
Gradualism (as opposed to punctuated equilibrium).
Fisher's principle is an evolutionary model that explains why the sex ratio of most species that produce offspring through sexual reproduction is approximately 1:1 between males and females. A. W. F. Edwards has remarked that it is "probably the most celebrated argument in evolutionary biology".
Gradualism (as opposed to punctuated equilibrium).
gradualism
Punctuated equilibrium is a model of a rapid mutation that happens rapidly or over a short period of time. On the other hand the gradualism model states that this change takes place slowly unlike the punctuated equilibrium.